Year	current US$
1960	217000000
1961	211000000
1962	223000000
1963	226000000
1964	289000000
1965	289000000
1966	327000000
1967	349000000
1968	384000000
1969	436000000
1970	525000000
1971	552000000
1972	638000000
1973	677000000
1974	936000000
1975	1124000000
1976	913000000
1977	860000000
1978	904000000
1979	993000000
1980	1171000000
1981	1473000000
1982	1381000000
1983	1494000000
1984	1146000000
1985	1111000000
1986	972000000
1987	1238000000
1988	1454000000
1989	1852000000
1990	1928000000
1991	1736000000
1992	1676000000
1993	2132000000
1994	2224000000
1995	2818000000
1996	2965000000
1997	3131000000
1998	3035000000
1999	2899000000
2000	3301000000
2001	3360000000
2002	3533000000
2003	3639000000
2004	3940000000
2005	4739000000
2006	5650000000
2007	6893000000
2008	8465000000
2009	5064000000
2010	5225000000
2011	6439000000
2012	6331000000
2013	6216000000
2014	5840000000
2015	4993000000
2016	4767000000
2017	5818000000
2018	6171000000
2019	6389000000
2020	4765000000
2021	5971000000
2022	7731000000
2023	7858000000